Similar to Libgen, searching for the ISBN or title in Russian often yields the 1984 "Vysshaya Shkola" edition.
Since the file is in , you will need a specific reader to open it: WinDjView: The most popular lightweight reader for Windows.
This is one of the most reliable sources for Soviet-era technical textbooks. You can search for the specific 1984 edition in their Building Materials section. Note that a free registration is usually required to download.
An open-source alternative available for Mac and Linux.
You can also find "DjVu Viewer" extensions for Chrome or Firefox if you prefer not to install standalone software.